/*
  Copyright (C) 2001-2005 Stephane Magnenat & Luc-Olivier de Charrière
  for any question or comment contact us at <stephane at magnenat dot net> or <NuageBleu at gmail dot com>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#include "Glob2Screen.h"
#include "GlobalContainer.h"
#include "DynamicClouds.h"


Glob2Screen::Glob2Screen()
{
}

Glob2Screen::~Glob2Screen()
{
	
}

void Glob2Screen::paint(void)
{
	static int time = 0;
	time++;
	randomSeed = 1;
	
	// grass
	for (int y = 0; y < getH(); y += 32)
		for (int x = 0; x < getW(); x += 32)
			gfx->drawSprite(x, y, globalContainer->terrain, getNextTerrain());
			
	if ((globalContainer->settings.optionFlags & GlobalContainer::OPTION_LOW_SPEED_GFX) == 0)
	{
		static DynamicClouds ds(&globalContainer->settings);
		//ds.render(globalContainer->gfx, 0, 0, getW(), getH(), time);
		ds.compute(0, 0, getW(), getH(), time);
		ds.renderShadow(globalContainer->gfx, getW(), getH());
		ds.renderOverlay(globalContainer->gfx, getW(), getH());
	}
}

unsigned Glob2Screen::getNextTerrain(void)
{
	randomSeed = randomSeed * 69069;
	return ((randomSeed >> 16) & 0xF);
}